
/* head begin */
header {
    height: 100px;
    overflow: hidden;
}
nav {
    width: 1250px;
    height: 46px;
    margin: 26px auto
}
.logo {
    float: left;
}
/*nav begin */
.navbar {
    float: left;
    height: 46px;
    line-height: 46px;
    margin-left: 50px;

}
.navbar li {
    float: left;
    margin-right: 20px
}
.navbar li a {
    color: #050505;
    font-size: 18px;
    font-family: "微软雅黑";
    padding: 0 8px;
    display: block;
    height: 46px;
}
.navbar li a:hover {
    border-bottom: 2px solid #00a4ff
}
/*nav end*/

/* search begin */
.search {
    width: 410px;
    height: 40px;
    border: 1px solid #00a4ff;
    float: left;
    margin-left: 88px
}
.search input[type=text] {
    width: 360px;
    height: 40px;
    padding-left: 20px;
    float: left;
    outline: none;
}
.search input[type=submit] {
    width: 50px;
    height: 40px;
    float: left;
    background: #00a4ff url(../img/images/search_03.png) 16px 12px no-repeat;
    outline: none
}
/*search end*/

/* personal begin */
.personal {
    float:right;
    height: 46px;
    line-height: 46px

}
.personal  a{
    display: block;
    float: left;
    padding-left: 30px;
    font-size: 14px;
    font-family:  "微软雅黑";
    color:#a7a8a9;

}
.personal  a:last-child {
    padding-left: 10px
}
/* personal end */

/* head end */

/* banner --start */
.banner {
    height: 420px;
    background-color: #1c036c;
    margin-bottom: 10px;
}

.banner_content {
    height: 420px;
    background: url(../img/images/banner_03.png) 30px 0 no-repeat;
    position: relative;

}
.banner_content .circle {
    position: absolute;
    left: 50%;
    bottom: 20px;
    margin-left: -50px;
}


.banner_content .circle  li  {
    background-color: #7bc2ef;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    float: left;
    margin: 5px
}

.banner_content .circle  li:hover {
    background: #fafafa;
    border-radius: 35%;
    padding: 0 5px;
}
.banner_list {
    height: 420px;
    width:  200px;
    background:rgba(19,2,75,0.3);
    float: left;
}

.banner_list li a{
    color: #fff;
    font-size: 14px;
    padding: 0 20px;
    display: block;
    height: 45px;
    line-height: 45px
}
.banner_list li a:hover {
    color: #0393d9
}
.banner_list span {
    float:right;
    font-weight: normal;
}

.timetable {
    float: right;
    width: 230px;
    height: 300px;
    margin-top: 50px;
    background: #fff;

}
.timetable dt {
    width: 230px;
    height: 46px;
    line-height: 46px;
    text-align: center;
    font-weight: bold;
    font-size: 18px;
    color:#fff;
    background:#9bceea;
    letter-spacing: 2px
}
.timetable dd  {
    width: 190px;
    height: 60px;
    color: #4e4e4e;
    border-bottom: 1px solid #eaeaea;
    margin: 0 auto;
    padding-top: 10px;
    box-sizing: border-box;
}
.timetable dd a{
    color: #878787;
    font-size: 16px;
    font-weight: bold;
    display: block

}
.timetable dd a :hover{
    color:#00a4ff

}
.timetable dd a span{
    font-size: 14px
}
.timetable dd p {
    color: #a5a5a5;
    font-size: 12px;
}
.timetable dd:last-child{
    border:none;
}
.timetable dd:last-child a{
    font-size: 16px;
    color: #22b0ff;
    height: 38px;
    border: 1px solid #22b0ff;
    text-align: center;
    line-height: 38px;
    font-weight: bold
}
.timetable dd:last-child a:hover{
    background: #22b0ff;
    color:#fff;
}
/* banner --end */

/* reList--start */
.reList{
    height: 60px;
    background: #fff;
    box-shadow: 1px 2px 2px #ccc;
    line-height: 60px;
}
.reList a{
    padding: 0 30px;
    color:#515151;
    font-size: 16px;
    border-right: 1px solid #ccc
}
.reList a:first-child,.reList a:last-child {
    color: #00a4ff;
}
.reList a:hover{
    color: #00a4ff
}
.reList a:last-child {
    float: right;
}
    /* reList-end*/

    /* slider-nav --start */
    .slider-nav {
        width: 140px;
        height: 380px;
        background: #fff;
        position: fixed;
        top: 100px;
        left: 300px;
        display: none;
    }
    .slider-nav li a {
        font-size: 14px;
        color: #000;
        padding:6px;
    }
    /* slider-nav --end */



    /* 精品推荐--start */
.recom-products-top {
        height: 80px;
        line-height: 80px
    }
.recom-products-top a:first-child {
        font-size: 20px;
        color: #494949
    }
.recom-products-top a:last-child {
        font-size: 12px;
        color: #a5a5a5;
        float: right;
        margin-right: 30px
    }

.recom-products ul {
        width: 100%;
        height: 300px;
        display: flex;
        justify-content: space-between;
    }
.recom-products ul img:hover {
        opacity: 0.8;
        transform: scale(1.1);
        transition: 1s;
    }
.recom-products ul li {
        background: #fff;
        height: 270px;
        box-shadow: 0px 4px 5px rgba(0, 0, 0, 0.5);
        overflow:hidden;
    }
.recom-products ul li .text {
        width: 190px;
        margin:4px auto
    }
.recom-products ul li .text p {
        width: 190px;
        margin: 5px auto 20px;
        font-size: 14px;
        color: #050505;
    }
.recom-products ul li .text span{
        font-size: 12px;
        color: #ff7c2d;
    }
.recom-products ul li .text i{
        font-size: 12px;
        color: #999
    }
    /* 精品推荐--end */



/* 编程入门&&数据分析师--start */
.code-top {
    height: 80px;
    line-height: 80px
}

.code-top p {
    float: left;
    font-size: 20px;
    color: #878889
}

.code-top .code-nav {
    width: 89%;
    margin: 0 auto;
    text-align: center;
}
.code-nav a {
    padding: 0 20px;
    font-size: 16px;
    color: #868686
}

.code-nav a:hover {
    color: #00a4ff
}

.code-nav a:first-child {
    color: #00a4ff
}

.code-nav a:last-child {
    float: right;
    font-size: 12px;
}



.code-l {
    float: left;
}
.code-r {
    float: right
}
.code-r ul {
    display: flex;
    justify-content: space-between;
}
.code-r ul img:hover {
        opacity: 0.8;
        transform: scale(1.1);
        transition: 1s;
    }

.code-r ul li {
    width: 230px;
    background-color: #fff;
    overflow: hidden;
}

.code-r h1,.code-r p {
    padding: 14px 28px
}

.code-r li:nth-child(2) h1,.code-r li:nth-child(3) h1{
    padding-bottom:30px
}

.code-r ul li h1{
    font-weight: normal;
    font-size: 14px;
    color: #050505
}
.code-r ul li p {
    font-size: 12px;
    color: #999
}
.code-r ul li span {
    color: #ff7c2d;
}
/* 编程入门&&数据分析师&&--end */


/* 前端开发&&机器学习工程师--start */
.web-top {
    height: 80px;
    line-height: 80px
}

.web-top p {
    float: left;
    font-size: 20px;
    color: #878889
}

.web-top .web-nav {
    width: 89%;
    margin: 0 auto;
    text-align: center;
}
.web-nav a {
    padding: 0 20px;
    font-size: 16px;
    color: #868686
}

.web-nav a:hover {
    color: #00a4ff
}

.web-nav a:first-child {
    color: #00a4ff
}

.web-nav a:last-child {
    float: right;
    font-size: 12px;
}


.web-content ul {
    display: flex;
    justify-content: space-between;
}
.web-content ul img:hover {
        opacity: 0.8;
        transform: scale(1.1);
        transition: 1s;
    }

.web-content ul li {
    width: 230px;
    background-color: #fff;
    overflow: hidden;
}

.web-content h1,.web-content p {
    padding: 14px 28px
}

.web-content li:nth-child(2) h1,.web-content li:nth-child(3) h1,.web-content li:nth-child(5) h1{
    padding-bottom:30px
}

.web-content ul li h1{
    font-weight: normal;
    font-size: 14px;
    color: #050505
}
.web-content ul li p {
    font-size: 12px;
    color: #999
}
.web-content ul li span {
    color: #ff7c2d;
}
/* 前端开发&&机器学习工程师--end */


/* 牛人推荐--start */
.code-top {
    height: 80px;
    line-height: 80px
}

.code-top p {
    float: left;
    font-size: 20px;
    color: #878889
}

.code-top .code-nav {
    width: 89%;
    margin: 0 auto;
    text-align: center;
}
.code-nav a {
    padding: 0 20px;
    font-size: 16px;
    color: #868686
}

.code-nav a:hover {
    color: #00a4ff
}

.code-nav a:first-child {
    color: #00a4ff
}

.code-nav a:last-child {
    float: right;
    font-size: 12px;
}



.code-l {
    float: left;
}
.code-r {
    float: right
}
.code-r ul {
    display: flex;
    justify-content: space-between;
}
.code-r ul img:hover {
        opacity: 0.8;
        transform: scale(1.1);
        transition: 1s;
    }

.code-r ul li {
    width: 230px;
    background-color: #fff;
    overflow: hidden;
}

.code-r h1,.code-r p {
    padding: 14px 28px
}

.code-r li:nth-child(2) h1,.code-r li:nth-child(3) h1{
    padding-bottom:30px
}

.code-r ul li h1{
    font-weight: normal;
    font-size: 14px;
    color: #050505
}
.code-r ul li p {
    font-size: 12px;
    color: #999
}
.code-r ul li span {
    color: #ff7c2d;
}
/* 编程入门&&数据分析师&&--end */


/* 前端开发&&机器学习工程师--start */
.teacher-top {
    height: 80px;
    line-height: 80px
}

.teacher-top p {
    float: left;
    font-size: 20px;
    color: #878889
}

.teacher-content ul {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px
}

.teacher-content ul li {
    width: 230px;
    height: 330px;
    overflow: hidden;
}
.teacher-content ul li:nth-child(1){
    background: url(../img/images/teacher_01.png) no-repeat;
    position: relative;
}
.teacher-content ul li .text {
    background: rgba(108, 113, 126, 0.5);
    position: absolute;
    bottom: 0;
    left: 0;
}
.teacher-content ul li:nth-child(2){
    background: url(../img/images/teacher_02.png) no-repeat;
    position: relative;
}
.teacher-content ul:nth-child(1) li:nth-child(2) .text {
    padding-top: 70px
}
.teacher-content ul li:nth-child(3){
    background: url(../img/images/teacher_03.png) no-repeat;
    position: relative;
}
.teacher-content ul li:nth-child(4){
    background: url(../img/images/teacher_04.png) no-repeat;
    position: relative;
}
.teacher-content ul li:nth-child(5){
    background: url(../img/images/teacher_05.png) no-repeat;
    position: relative;
}
.teacher-content ul:nth-child(2) li:nth-child(1){
    width: 430px;
    background: url(../img/images/logo_03_03.png) no-repeat;
}
.teacher-content ul:nth-child(2) li:nth-child(2){
    background: url(../img/images/teacher_06.png) no-repeat;
    position: relative;
}
.teacher-content ul:nth-child(2) li:nth-child(3){
    background: url(../img/images/teacher_07.png) no-repeat;
    position: relative;
}
.teacher-content ul:nth-child(2) li:nth-child(4){
    background: url(../img/images/teacher_08.png) no-repeat;
    position: relative;
}
.teacher-content h1,.teacher-content p {
    padding: 4px 28px
}



.teacher-content ul li h1{
    font-weight: normal;
    font-size: 14px;
    color: #fff
}
.teacher-content ul li p {
    font-size: 12px;
    color: #fff;
    line-height: 2em
}
.teacher-content ul li span {
    color: #fff;
}
/* 牛人推荐--end */



/* 底部--start */
.footer-l {
    width: 432px;
    padding: 20px 0 ;
    float: left;
}
.footer-l p{
    color:#666;
    font-size: 12px;
    font-family: 宋体;
    padding: 30px 0
}
.footer-l button {
    width: 120px;
    height: 30px;
    line-height: 30px;
    background: #fff;
    text-align:center;
    outline: none;
    border: 1px solid #00a4ff;
    color: #00a4ff;
    cursor: pointer;

}
.footer-l button:hover {
    background-color: #00a4ff;
    color: #fff
}
.footer-r {
    float: right;
    width: 530px;
    height: 150px;
    display: flex;
    justify-content: space-between;
    padding: 20px 0;
    color: #333;
}

.footer-r ul p {
    padding-bottom: 16px;
    font-size: 16px
}
.footer-r ul li a {
    font-size: 12px;
    color: #333;
}
/* 底部--end */
